England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
24,550Searchable applications
313Recorded as pending
86%Approval rate · 20,122 approved or refused records
2,781Refused applications

17,341 approved · 2,781 refused · 1,287 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records
Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Decided - Granted6/2018/2225/LB

    Repair and maintenance to walls, floors and timber fixtures, repainting and waxing to match the existing treatments to include installation of wainscoting in bridge rooms, reinstatement of existing doorways

    Oshwal Centre Coopers Lane Road Northaw Potters Bar EN6 4DG

    Received 28 Aug 2018
  2. Decided - Granted6/2023/0751/LAWP

    Certificate of lawfulness for the proposed siting of a caravan following demolition of existing garage

    123 Tolmers Road Cuffley Potters Bar Hertfordshire EN6 4JW

    Received 4 Apr 2023
  3. Decided - Granted6/2018/0295/HOUSE

    Erection of a first floor front extension and alterations to side extension

    20 Turpins Chase Welwyn AL6 0RA

    Received 30 Jan 2018
  4. Decided - Granted6/2016/0973/FULL

    Change of use to Industrial MOT Testing Station and Garage (B2)

    Unit 3, Woodside Lane, Hatfield, AL9 6DE

    Received 18 May 2016
  5. Decided - Granted6/2021/3449/HOUSE

    Erection of a greenhouse and summerhouse and associated landscaping works

    21 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 25 Jan 2022
  6. Decided - Granted6/2023/1094/EMH

    Erection of part single storey rear extension, part two storey rear extension and single storey side extension, following demolition of existing garage and ground floor extension, with alterations to openings

    72 Pentley Park Welwyn Garden City AL8 7SG

    Received 24 May 2023
  7. Decided - Granted6/2021/1359/FULL

    Insertion of a first floor and part change of use of stables building to 1 Bedroom residential flat for the stables manager including insertion of new windows to north elevation.

    Danecroft Riding Stables 1A Vera Lane Digswell Welwyn AL6 0EW

    Received 28 Apr 2021
  8. Decided - Granted6/2024/1691/EM

    Erection of a single storey side extension to replace existing double garage

    27 Russellcroft Road Welwyn Garden City AL8 6QX

    Received 3 Sept 2024
  9. Decided - Granted6/2025/1818/EMT

    T1 - 1 x Portugal laurel to reduce by approximately 3m in height and around 1-1.2m width - to reduce size due to proximity to property T2 - 1 x Mountain Ash to reduce by approximately 2m height and 1m width - To reduce to maintain size due tro proximity to property

    2 Fern Grove Welwyn Garden City AL8 7ND

    Received 27 Aug 2025
  10. Decided - Withdrawn6/2025/0918/TPO

    Remove minor branches of oak tree at 2m. Remove primary limb at 8m. Shorten secondary limb towards the house in upper crown. Remove deadwood to encourage new planting scheme soon to be done.

    29 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 16 May 2025
  11. Decided - Granted6/2018/0389/HOUSE

    Alterations to roof including installation of 3 x front dormer windows and enlargement of rear dormer.

    7 Rosecroft Lane Welwyn AL6 0UB

    Received 5 Feb 2018
  12. Decided - Granted6/2019/1273/EM

    Retention of landscaping to front property

    12 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 24 May 2019
  13. Decided - Withdrawn6/2024/0956/FULL

    Change of use from the existing industrial unit to use as a gym facility for individual and small group personal training (Retrospective)

    17B Southfield Welwyn Garden City AL7 4ST

    Received 22 May 2024
  14. Decided - Granted6/2026/1297/LAWE

    Certificate of lawfulness in relation to existing gate and fencing

    White Lodge Farm The Bellbrook Bulls Lane Hatfield AL9 7AZ

    Received 23 Jul 2026
  15. Decided - Granted6/2022/1802/EM

    Extension of existing carport roof

    22 Parkway Welwyn Garden City AL8 6HG

    Received 1 Aug 2022
  16. Decided - Granted6/2018/3048/HOUSE

    Erection of single storey side extension and two storey rear extension

    51 Nash Close Welham Green Hatfield AL9 7NN

    Received 29 Nov 2018
  17. Decided - Granted6/2017/1501/HOUSE

    Erection of single storey front side and rear extension following demolition of existing garage and part single storey rear extension

    36 Selwyn Crescent Hatfield AL10 9NN

    Received 10 Jul 2017
  18. Decided - Refused6/2024/0914/COND

    Submission of details pursuant of condition 2 (Biodiversity Enhancement) on planning permission 6/2023/2330/HOUSE

    Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 16 May 2024
  19. Decided - Granted6/2016/2597/EM

    Removal of 4 conifer trees and 30% reduction approx of 4 conifer trees from rear garden

    62 Broadwater Crescent Welwyn Garden City AL7 3TU

    Received 5 Dec 2016
  20. Under Consultation6/2026/1557/HOUSE

    Retrospective consent for erection of summerhouse and block paving to front of property

    1 Brookside Crescent Cuffley Potters Bar EN6 4QW

    Received 8 Sept 2026
  21. Decided - Granted6/2022/2432/EM

    To add solar panels (probably 16) to the south facing roof

    4 Old Forge Close Welwyn AL6 0SR

    Received 20 Oct 2022
  22. Decided - Granted6/2019/0489/COND

    Submission of details pursuant to condition 1 (Ground Condition) for planning permission 6/2018/3115/HOUSE

    4 Vigors Croft Hatfield AL10 9HD

    Received 4 Mar 2019
  23. Decided - Granted6/2025/0122/LAWP

    Certificate of lawfulness for the extension of the existing front driveway, to improve vehicular access and provide additional off-road parking facilities for a family home

    Rolls Wood House 8 The Holt Welwyn Garden City AL7 2HU

    Received 24 Jan 2025
  24. Decided - Granted6/2024/0225/HOUSE

    Erection of single storey rear extension and alteration to flank window fenestration

    62 Golden Dell Welwyn Garden City AL7 4EB

    Received 5 Feb 2024

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage